ASBSM4-LED3 datasheet(147/178 Pages) LUMBERG

147 / 178 page

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147

Signal

Any visible or audible indication that can convey

information. Also, the information conveyed through

a communication system.

Silicone

This is a rubber like manmade material used

extensively in gasket and sealing applications. It is

very resistant to a great range of chemicals including

oils and solvents, and has a very wide temperature

range.

Sinking

The term is used here to describe the way a switch is

connected in the circuit. If the switch completes the

electrical circuit by connecting the load to ground/() it

is considered to be sinking the load. In a solid-state

device this is equivalent to a NPN output.

SJOO

A UL designation for a rubber jacketed junior service

cord with oil resistant conductors and jacket. Voltage

rating is 300V.

SJOOW

Same as SJOO, but with UL rating for outdoor use.

SNR (Signal to Noise Ratio)

Commonly used interchangeably with ACR

Solid Conductor

A conductor consisting of a single wire.

Solid State

This is a term used often to describe an electronic

device, which is made up of solid components (no

moving parts).

SOO

A UL designation for a rubber insulated hard service

cord with oil resistance primaries and jacket. Voltage

rating is 600V.

SOOW

Same as SOO with UL rating for outdoor use.

SOOW-A

UL rating superceded by SOOW cable.

Sourcing

The term is used here to describe the way a switch is

connected in the circuit. If the switch completes the

electrical circuit by connecting the load to the positive

(+) it is considered to be sourcing the load.

SPDT (Single Pole Double Throw) - Switches

SRL (Structured Return Loss)

The magnitude of internal cable reflections,

measured in dB”.

STO

A UL designation for a thermoplastic (usually PVC)

insulated hard service cord with oil resistant outer

jacket. Voltage rating is 600V.

STOW

Same as STO with UL rating for outdoor use.

STOW-A

Obsolete – replaced by STOW.

STP (Shielded Twisted Pair)

Stranded Conductor

A conductor composed of groups of wires twisted

together.

SVHS (Super VHS)

A video format in which the two parts of the VHS

signal are transmitted separately providing for better

picture resolution with less noise.

SWR (Standing Wave Ration)

A ratio of the maximum amplitude to the minimum

amplitude of a standing wave stated in current or

voltage amplitudes.

Temperature Rating

The maximum temperature at which a material may

be used in continuous operation without loss of its

basic properties.

TFE (Tetrafluoroethylene)

A thermoplastic material with good electrical

insulating properties and chemical and heat

resistance.

Thermoplastic

A material that will soften, flow or distort appreciably

when subjected to heat and pressure.

Thermoset

A material that hardens or sets when heat is applied,

and which, once set, cannot be softened by heating.

The application of heat is called “curing”.

TIA (Telecommunications Industry Association)

TPE (Thermoplastic Elastomer)

Used as a jacket material in multiconductor cables,

TPE is a thermoplastic compound resistant to

the harmful effects of weld slag and chemicals,

especially oil.

TP-PMD (Twisted Pair - Physical Medium

Dependent)

TPU (Thermo Plastic-Poly Urethane)

Transistor

This is a solid-state device used in electronic circuits.

It is often used in switching or amplifier applications.

Triac

This is a solid-state device often used to switch AC

voltage/current.

Twisted Pairs

One or more pairs of insulated conductors twisted

together to reduce cross talk.

UHF (Ultra High Frequency) – 300 to 3,000 MHz”

UL (Underwriter’s Laboratories)

A nonprofit organization, which tests and verifies

construction and performance of electronic parts.

UP (Universal Power)

UTD (Unshielded Twisted Pair)

VA (Volt Ampere)

A designation of power in terms of voltage and

current.

VDE (Verband Deutscher Elektrotechniker)

German approval agency equivalent to UL.

Volt (V)

The unit of measure for electrical potential.

Voltage

The term most often used in place of electromotive

force, potential difference, or voltage drop.

Designates the electrical pressure existing between

two points that is capable of producing a current

when a closed circuit is connected between these

points.

Voltage Rating

The highest voltage that may be continuously

applied to a wire in conformance with standards or

specifications.

Voltage Spike

This is a short-term (transient) condition causing a

larger than normal amount of voltage to be applied to

a circuit. Voltage spikes can often cause damage to

an electric device if it is not properly protected.

VW-1

A flammability rating established by Underwriters

Laboratories for wires and cables that pass a

specially designed vertical flame test, formerly

designated FR1.

References

Glossary of Terms

References

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